... CE,CB,ISO9001,14001,IEC 4)OEM D86-K Three-phase In-build Watt-hour KWH Meterwww.cncelegroup. ... socket for pulseoutput line, is suitable to mount on switch panel. It is suitable to measure active and reactive ... line stably and reliably.2.3 Meter bearing has three kinds, may select dual jewel, magnetic thrust or ... )Input through current voltage transformer D86-K Three-phase In-build Watt-hour KWH Meter